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SEGMENT REPORTING - Summary of Financial Information by Reportable Segment (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]      
Revenues $ 1,085,089 $ 889,211 $ 774,584
Depreciation and amortization 126,351 103,590 90,782
Operating income (loss) 95,394 77,660 59,297
Interest expense, net 23,013 20,927 22,068
Capital expenditures 130,960 123,295 108,108
Goodwill 274,458 232,860 194,901
Total assets 1,449,215 1,283,580 1,193,898
Eastern      
Segment Reporting Information [Line Items]      
Goodwill 52,406 52,072 30,873
Western      
Segment Reporting Information [Line Items]      
Goodwill 183,286 163,728 149,984
Resource Solutions      
Segment Reporting Information [Line Items]      
Goodwill 38,766 17,060 14,044
Operating Segments | Eastern      
Segment Reporting Information [Line Items]      
Revenues 340,058 264,569 220,285
Depreciation and amortization 47,673 33,572 25,669
Operating income (loss) 16,559 12,937 11,635
Interest expense, net 565 456 275
Capital expenditures 38,501 31,489 29,292
Goodwill 52,406 52,072 30,873
Total assets 372,895 357,446 223,492
Operating Segments | Western      
Segment Reporting Information [Line Items]      
Revenues 445,153 389,520 357,989
Depreciation and amortization 64,116 61,055 56,457
Operating income (loss) 65,453 49,035 42,688
Interest expense, net 508 159 141
Capital expenditures 65,190 72,892 71,989
Goodwill 183,286 163,728 149,984
Total assets 737,658 688,826 642,003
Operating Segments | Resource Solutions      
Segment Reporting Information [Line Items]      
Revenues 299,878 235,122 196,310
Depreciation and amortization 12,082 7,060 6,279
Operating income (loss) 15,862 17,591 7,357
Interest expense, net 146 168 201
Capital expenditures 15,172 12,094 2,477
Goodwill 38,766 17,060 14,044
Total assets 191,118 127,304 88,512
Inter-company revenue      
Segment Reporting Information [Line Items]      
Revenues (239,951) (202,298) (180,435)
Inter-company revenue | Eastern      
Segment Reporting Information [Line Items]      
Revenues (83,201) (66,126) (53,102)
Inter-company revenue | Western      
Segment Reporting Information [Line Items]      
Revenues (151,016) (132,914) (116,658)
Inter-company revenue | Resource Solutions      
Segment Reporting Information [Line Items]      
Revenues (5,734) (3,258) (10,675)
Corporate Entities      
Segment Reporting Information [Line Items]      
Revenues 0 0 0
Depreciation and amortization 2,480 1,903 2,377
Operating income (loss) (2,480) (1,903) (2,383)
Interest expense, net 21,794 20,144 21,451
Capital expenditures 12,097 6,820 4,350
Goodwill 0 0 0
Total assets $ 147,544 $ 110,004 $ 239,891